Resolve "Alfa version of the Helm chart for version 1.7.0"

Closes #23 (closed)

README.md

 # nmaas
 
-![Version: 1.3.0-alpha.2](https://img.shields.io/badge/Version-1.3.0--alpha.2-informational?style=flat-square) ![AppVersion: 1.7.0-alfa](https://img.shields.io/badge/AppVersion-1.7.0--alfa-informational?style=flat-square)
+![Version: 1.3.0-alpha.3](https://img.shields.io/badge/Version-1.3.0--alpha.3-informational?style=flat-square) ![AppVersion: 1.7.0-alfa](https://img.shields.io/badge/AppVersion-1.7.0--alfa-informational?style=flat-square)
 
 GÉANT Network Management as a Service Helm chart for Kubernetes
 
@@ -104,10 +104,10 @@ GÉANT Network Management as a Service Helm chart for Kubernetes
 | platform.properties.helm.username | string | `"helm"` |  |
 | platform.properties.helm.version | string | `"v3"` |  |
 | platform.properties.jwt.resetKey.literal | string | `""` | leave empty to use existing secret |
-| platform.properties.jwt.resetKey.secret.key | string | `nil` |  |
+| platform.properties.jwt.resetKey.secret.key | string | `"jwtResetKey"` |  |
 | platform.properties.jwt.secretName | string | `"nmaas-jwt"` |  |
 | platform.properties.jwt.signingKey.literal | string | `""` | leave empty to use existing secret |
-| platform.properties.jwt.signingKey.secret.key | string | `nil` |  |
+| platform.properties.jwt.signingKey.secret.key | string | `"jwtSigningKey"` |  |
 | platform.properties.k8s.deployment.defaultNamespace | string | `"default"` | parameter used only if USE_DEFAULT_NAMESPACE option is set |
 | platform.properties.k8s.deployment.defaultStorageClass | string | `nil` | should be left blank if default storage class was defined defined at cluster should be used |
 | platform.properties.k8s.deployment.namespaceConfigOption | string | `"USE_DOMAIN_NAMESPACE"` | two options possible: USE_DOMAIN_NAMESPACE or USE_DEFAULT_NAMESPACE |